121331701 has 4 divisors (see below), whose sum is σ = 127717600. Its totient is φ = 114945804.

The previous prime is 121331699. The next prime is 121331713. The reversal of 121331701 is 107133121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121331701 - 2¹ = 121331699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 6385879 = 121331701 / (1 + 2 + 1 + 3 + 3 + 1 + 7 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121331741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3192921 + ... + 3192958.

It is an arithmetic number, because the mean of its divisors is an integer number (31929400).

Almost surely, 2^121331701 is an apocalyptic number.

It is an amenable number.

121331701 is a deficient number, since it is larger than the sum of its proper divisors (6385899).

121331701 is an equidigital number, since it uses as much as digits as its factorization.

121331701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6385898.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 121331701 is about 11015.0669993423. The cubic root of 121331701 is about 495.0602939853.

Adding to 121331701 its reverse (107133121), we get a palindrome (228464822).

The spelling of 121331701 in words is "one hundred twenty-one million, three hundred thirty-one thousand, seven hundred one".